but we are starting to learn more about ciancia. and possibly some of his motives. we're also learning more about what happened just before the shooting, from someone who knew ciancia and his roommates. >> he asked one of the roommates if he could have a ride to the airport. >> why did he need a ride? >> he said he was going back home, either that his dad was kind of sick and he had to deal with family issues. >> did anyone ever see a ticket? >> no. he also didn't mention what day he had to leave. that morning yes, he doesn't knock, just opens the door and says, i need to leave. can you take me now? >> did he ever express any hatred toward the government or toward the tsa? >> all nsa findings that came out this year that he was very upset about it and he also thought that tsa abused their power. >> well let's bring in stephanie elam, who is covering the story from los angeles. stephanie, were police actually close to stopping this before it happened? there are these suggestions they were pretty close. >> pretty close, wolf, indeed what we're understanding now is tha